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Discussion Starter · #1 ·
Why are my headlights burning out. Fuse fine. 14 v at light socket. 2010. SOC not working
 

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No help, but like you I replaced the original halogens with BeamTech LED and all has been good for over a year.
 

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BMaker, you are a master with the EV and likely have a manual. Maybe some of this will help you troubleshoot:

Font Screenshot Number Electric blue
Rectangle Font Slope Parallel Pattern


Perhaps these other systems affect the headlamp circuit:

ELECTRICAL
BRAKE LIGHT SWITCH (HYDRAULIC)
VOLTAGE LEVEL: 14.0 VDC
6. Connect an DC voltmeter to the OR (+) and BN (-)
wires. 12-14 volts should be present.
LOCATION: On master cylinder under the hood.
SYSTEM WIRING DIAGRAM REFERENCE: N/A
OVERVIEW: The hydraulic brake light switch contacts
close when brake pedal is applied, connecting the OR
wire to ground.
Brake Light Switch Test
13.5 VDC 0.2W
Motor vehicle Electronic engineering Electrician Audio equipment Gadget
Motor vehicle Circuit component Electronic engineering Electrician Electrical wiring



NOTE
Air in the hydraulic brake system could affect switch
operation. Be sure system is purged of all air and
functioning properly before testing the switch.
1. Disconnect wires from hydraulic brake switch.
2. Connect an ohmmeter across switch contacts.
Reading should be infinite (OL).
3. Apply foot brake. The switch contacts should have
PARKING BRAKE SWITCH
good continuity (less than .5 Ohms).
VOLTAGE LEVEL: 14.0 VDC
4. Bleed hydraulic brake system if switch is replaced
LOCATION: On park brake lever mechanism under the
(see Chapter 7).
dash.
SYSTEM WIRING DIAGRAM REFERENCE:
Parking Brake System Wiring Diagram, page 8.30.
OVERVIEW: The switch is OPEN when park brake lever
is not applied. When parking brake is applied, switch
contacts close, connecting the OR/RD wire to ground,
illuminating the park brake lamp. The ground is also
sensed by the Vehicle Control Interface Module (VCIM)
(to prevent differential solenoid operation) and by the
Controller to regulate drive motor output.
NOTE
If the parking brake is applied, the controller will not
send power to the drive motor, preventing drive-away
with the parking brake applied.
Brake Light Switch Power Supply Test
Parking Brake Switch Test
5. Turn key switch ON. Be sure cargo box wire harness
1. Release the parking brake lever (completely
is connected. Disconnect wires from hydraulic brake
forward). Disconnect wire harness from parking
switch.
brake switch.
2. Connect an Ohmmeter to the switch terminals.
Reading should be infinite (OL).
3. Slowly apply parking brake while watching the meter.
Continuity should exist within 2-3 clicks from the
brake released position. If no continuity exists when
parking brake is applied, verify switch terminals and
wire connections are clean and tight. Replace switch
if necessary.
Building Rectangle Font Engineering Parallel

========================
14VDC wiring:
Schematic Font Parallel Engineering Rectangle


Headlamp wiring:


Rectangle Schematic Font Line Parallel


Main Fuse Box:
Font Parallel Schematic Engineering Rectangle
 

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Discussion Starter · #5 ·
Checking voltage on keyed top post of buss bar reads 25V. Dc converter 50v in 25v out. Is the problem the converter? First one I’ve had that puts out to much volts! Also the SOC doesn’t work. It’s one with red bars. No bars
 

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Discussion Starter · #6 ·
Checking voltage on keyed top post of buss bar reads 25V. Dc converter 50v in 25v out. Is the problem the converter? First one I’ve had that puts out to much volts! Also the SOC doesn’t work. It’s one with red bars. No bars
After talking to Lou he suggested swapping out a converter with one of the other carts and now I get 13.9 bolts at 12v switched top stud. He asked about the turf mode and suggested it might have burnt the solenoid with that much voltage and sure enough it doesn’t work or click. Has 13.9 bolts to both sides of the relay fir the turf mode solenoid. I removed the solenoid off another cart and tried it. It still doesn’t work. Third new switch. Still no click
 
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